CN106103239A - Transfer - Google Patents

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Publication number
CN106103239A
CN106103239A CN201580011942.2A CN201580011942A CN106103239A CN 106103239 A CN106103239 A CN 106103239A CN 201580011942 A CN201580011942 A CN 201580011942A CN 106103239 A CN106103239 A CN 106103239A
Authority
CN
China
Prior art keywords
cam
rotation
sleeve
bar
fixing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201580011942.2A
Other languages
Chinese (zh)
Other versions
CN106103239B (en
Inventor
山田润
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NSK Ltd filed Critical NSK Ltd
Publication of CN106103239A publication Critical patent/CN106103239A/en
Application granted granted Critical
Publication of CN106103239B publication Critical patent/CN106103239B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D1/00Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16Steering columns
    • B62D1/18Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/184Mechanisms for locking columns at selected positions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D1/00Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16Steering columns
    • B62D1/18Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/185Steering columns yieldable or adjustable, e.g. tiltable adjustable by axial displacement, e.g. telescopically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D1/00Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16Steering columns
    • B62D1/18Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/187Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustment; with tilt and axial adjustment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/04Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0409Electric motor acting on the steering column

Abstract

The shake producing when a kind of simple and fully mitigation adjustment direction dish position of operability that can not affect and rotate bar is provided and the transfer of its shake sound.Transfer 1 relative vehicle main body moves the post 20 for keeping steering wheel H rotating shaft, with can be with the obliquity of adjustment direction dish H and telescopic location.Transfer 1 includes: rotate bar 123, for being fixed and releasing described post 20 relative vehicle main body fixing;Cam 120,121, the rotation of described rotation bar 123 changes according to the axially-movable that it rotates to be fixed and to release fixing to described post 20;Sleeve 122, keeps cam 120,121, when described rotation bar rotates with described cam 120, slides between 121;Wherein, described sleeve 122 and described cam 120, the sliding surface between 121 is coated with lubricating grease A.

Description

Transfer
Technical field
The present invention relates to a kind of transfer.
Background technology
The transfer of vehicle is a kind of to have relative vehicle main body and move the post for keeping steering wheel shaft to adjust The obliquity of steering wheel and the mechanism of telescopic location.
Above-mentioned position adjusting mechanism generally makes the bar near steering wheel configuration rotate, and coupled columns is fixed and releases solid Fixed.This position adjusting mechanism is owing to using the mechanical transfer mechanism coupled columns such as cam to be fixed and release fixing, therefore easily Produce shake and shake sound.
It is thus possible, for instance patent document 1 discloses that one makes flexible flake prominent on fixing cam, and in described flexible thin Frictional force is produced, the shake causing during to mitigate in bar fastening and to release and the technology of its shake sound between piece and movable cam.
Patent document 1: European Patent application discloses No. 1795425 specification
But, in the above-described techniques, need to be pressed against on flexible flake by movable cam under bigger load, it is difficult to fully Mitigate shake and its shake sound.Additionally, flexible flake hinders the activity of cam, the operability of bar may be impacted.
The present invention is in view of this, it is therefore intended that provide a kind of operability not affecting bar, it is possible to simply and fully mitigate The shake producing during the position of adjustment direction dish and the transfer of its shake sound.
Content of the invention
In order to achieve the above object, transfer relative vehicle main body moves the post for keeping steering wheel shaft, to adjust The position of whole steering wheel, described transfer includes rotating bar, for being fixed and releasing described post relative vehicle main body Fixing;Cam, the rotation of described rotation bar changes according to the axially-movable that it rotates so that described post is fixed and to be solved Remove fixing;And sleeve, keep described cam, when described rotation bar rotates and slide between described cam, wherein, described set Sliding surface between cylinder and described cam is coated with lubricating grease.
According to the present invention, owing to the sliding surface between sleeve and cam is coated with lubricating grease, thus without affecting bar Operability, such that it is able to the shake producing during simple and fully mitigation adjustment direction dish position and its shake sound.
Described cam has the movable cam jointly rotating with described rotation bar and being rotated according to described movable cam The fixing cam of described axial rotation, described sleeve also can slide between described movable cam and coat institute at its sliding surface State lubricating grease.
Described sleeve can also relatively described movable cam freely rotatable and axially fixed and relatively described fixing convex Wheel is axially movable and fixed in direction of rotation.
Described sleeve be also provided with and described rotation bar or between described rotation bar and described sleeve between intervention portion The sliding part that part slides, described sliding part coats lubricating grease.
Described rotation bar or described intervention parts have discoideus portion, and described sliding part can also have embedded described plectane The arc-shaped groove in shape portion.
Described sleeve can also be fixed in axial and direction of rotation relatively described fixing cam, and relatively described movably convex Wheel may move in axial and direction of rotation.
Described sleeve and described fixing cam may be formed as one.
Described cam has the movable cam jointly rotating with described rotation bar and being rotated according to described movable cam The fixing cam of described axial rotation, described sleeve slides between described fixing cam, can also coat institute at its sliding surface State lubricating grease.
Described sleeve can also be fixed and axially movable in direction of rotation relatively described movable cam, relatively described Fixing cam may move in direction of rotation, is axially being fixed.
Described sleeve can also have at rotation bar described in sandwich to carry out described rotation bar in a rotational direction Fixing lug boss.
Described fixing cam has ring-type bar shaped jut in outer peripheral edge, and described sleeve can also have embedded described bar shaped Jut relatively described fixing cam are at direction of rotation slidably claw.
Produce during according to the present invention it is possible to do not affect the operability of bar and simple and fully mitigation adjustment direction dish position Raw shake and its shake sound.
Brief description
Fig. 1 is that the structure representing transfer is briefly schemed.
Fig. 2 is the stereogram of the post peripheral construction representing transfer.
Fig. 3 is the longitudinal section representing post peripheral construction.
Fig. 4 is the exploded view of post peripheral construction.
Fig. 5 A is the longitudinal section explanatory diagram representing the inner sleeve peripheral construction rotating bar side.
Fig. 5 B is the explanatory diagram of the longitudinal section of the inner sleeve peripheral construction representing pressing plate side.
Fig. 6 is to represent the longitudinal section explanatory diagram that cam peripheries constructs.
Fig. 7 is the stereogram of the assembled state representing that cam peripheries constructs.
Fig. 8 is the exploded view of cam peripheries construction.
Fig. 9 is the stereogram of the assembled state of the cam peripheries construction representing and having intervention parts.
Figure 10 is the exploded view of Fig. 9 cam peripheral construction.
Figure 11 is the stereogram of the assembled state representing that other cam peripheries construct.
Figure 12 is the exploded view of the cam peripheries construction of Figure 11.
Figure 13 is the stereogram of the assembled state of the cam peripheries construction representing that sleeve is integrally formed on fixing cam.
Figure 14 is the exploded view of Figure 13 cam peripheral construction.
The stereogram of the assembled state of cam peripheries construction when Figure 15 is to represent that sleeve slides on fixing cam.
Figure 16 is the exploded view of Figure 15 cam peripheral construction.
Figure 17 is the explanatory diagram of the longitudinal section representing that cam peripheries constructs.
Detailed description of the invention
1 transfer
10 rotary shafts
20 posts
40 lower post
41 upper post
50 brackets
80 connecting rods
120 fix cam
121 movable cams
122 sleeves
123 rotation bars
A lubricating grease
H steering wheel
Below, referring to the drawings embodiments of the present invention are illustrated.Additionally, unless otherwise, in drawing up and down The position relationship of left and right etc. is based on position relationship shown in the drawings.The dimensional ratios of accompanying drawing is not limited to ratio shown in accompanying drawing Rate.In addition, implementation below is the example for the present invention is described, purpose is not to limit the invention to this embodiment In.In addition, the present invention can carry out various deformation on the premise of without departing from its purport.
Fig. 1 is an integrally-built example of the transfer 1 of present embodiment.
Transfer 1 has and for example constitutes the rotating shaft etc. that turns to that the steering moment being given by steering wheel H transmits The 12nd, the 10th, the electric boosted mechanism that assisted diversion moment gives extremely described rotary shaft 10 be connected to by rotary shaft by electro-motor 11 Be endowed that the rotary shaft 10 of assisted diversion moment exerts oneself that the 13rd, the intermediate rotary shaft of side handle wheel runs through bolt 14 and will The steering force of intermediate rotary shaft 13 is transferred to run through the tooth sector 15 etc. of the rack-and-pinion of bolt 14.
If driver is rotation process steering wheel H, then its revolving force is transferred to rotary shaft the 10th, intermediate rotary shaft 13, leads to further Cross tooth sector 15 to be transferred to run through bolt 14, such that it is able to change the steering angle of wheel.
In addition, electric boosted mechanism 12 is driven electro-motor 11 by driver according to by the steering moment giving rotary shaft 10, Such that it is able to give rotary shaft 10 by assisted diversion moment.
The transfer 1 relative vehicle main body of present embodiment moves the rotary shaft (rotating shaft) 10 for keeping steering wheel H Post 20, such that it is able to the obliquity of adjustment direction dish H (position of above-below direction) and the telescopic location (position of fore-and-aft direction Put).Below, the guiding mechanism of the obliquity in described transfer 1 and telescopic location is illustrated.
For example shown in Fig. 2, the post 20 of transfer 1 have for inside to the rotary shaft 10 of intermediate rotary shaft 13 side (under Portion turns to rotating shaft) the cylindric lower post (inner post) that rotatably supports the 40th, in inside to steering wheel H side The cylindric upper post (outside column) 41 that rotatably supports of rotary shaft 10 (top turns to rotating shaft).
Upper post 41 is axially slidably embedding the periphery of lower post 40 can adjust telescopic location.
Upper post 41 supports the bracket 50 being fixed on vehicle body.For example shown in Fig. 3 and Fig. 4, bracket 50 has from left and right The both sides in direction (overall width direction) grip the pair of side plates of upper post 41 the 60th, 61.Described side plate the 60th, 61 are respectively formed with The through elongated hole the 62nd, 63 grown in the vertical direction on left and right directions.
The top of upper post 41 be provided with the side plate with bracket 50 the 60th, 61 the pair of right and left upper board that abuts against of inner side the 70th, 71.Upper board the 70th, 71 be formed through at left and right directions, at the elongated hole the 72nd, 73 of fore-and-aft direction length.
As it is shown on figure 3, upper post 41 is held in the side plate of bracket 50 the 60th, between 61 in the state of, connecting rod 80 is on a left side Be through with in right direction the side plate of bracket 50 the 60th, 61 elongated hole the 62nd, 63 and upper post 41 upper board the 70th, 71 elongated hole the 72nd, 73.
The elongated hole of upper post 41 the 72nd, 73 the outside of left and right directions become greater than the large-diameter portion in footpath, inner side, described large-diameter portion On be embedded with cylindric collar 90 and the helical spring 91 of break-through connecting rod 80.It is provided with along the outside of the helical spring 91 of connecting rod 80 Inner sleeve 92.As it is shown in figure 5, inner sleeve 92 has flange part 92a, cylindrical portion 92b being relatively large in diameter, flange part 92a supports It is connected to helical spring 91.
The outside (right side of Fig. 3 and Fig. 4) of the side plate 60 of bracket 50 is provided with ring-type thin along multiple of connecting rod 80 as shown in Figure 4 Plate the 100th, multiple inclination friction plates the 101st, flexible friction plate the 102nd, pressing plate the 103rd, thrust bearing 104 and nut of multiple 105.Stretch and configure between such as inclination friction plate 101 with friction plate 102.Tilting to use in addition, annular thin sheets 100 configures Tilting with the inner side of friction plate 101 of between friction plate 101 and inner side.
Inclination friction plate 101 has the elongated hole 101a of above-below direction length, is fixed on the pin being located at bracket 50 side plate 60 110.Flexible have the elongated hole 102a in fore-and-aft direction length with friction plate 102, is fixed on the pin 111 being located at upper post 41.Internal The hole of the cylindrical portion 92b break-through of sleeve 92 annular thin sheets 100 as shown in Figure 5 B and, tilt with the elongated hole 101a of friction plate 101 And the elongated hole 102a of the use friction plate 102 that stretches, the end abutment in outside is to pressing plate 103.
The outside (left side of Fig. 3 and Fig. 4) of the side plate 61 of bracket 50 as shown in Figure 4, is provided with multiple along connecting rod 80 ring-type 100th, multiple tilt the 101st, to fix cam the 120th, movable cam the 121st, sleeves with friction plates and the 122nd, rotate bar the 123rd, packing ring 123 thin plate And nut 124.Annular thin sheets 100 configures between inclination friction plate 101 and the inclination of inner side is with in friction plate 101 Side.
Inclination friction plate 101 is fixed on the pin 110 of the side plate 61 being located at bracket 50.As shown in Figure 5A, inner sleeve 92 The hole of cylindrical portion 92b break-through annular thin sheets 100 and the inclination elongated hole 101a of friction plate 101, the end abutment in outside is to solid Determine cam 120.
As shown in Figure 6, fixing cam 120 to engage in cam face with movable cam 121, sleeve 122 keeps from periphery Fixing cam 120 and movable cam 121.Rotate bar 123 and be fixed on movable cam 121, from outside by packing ring 124 and nut 125 Fastening.
Here, fixing cam the 120th, movable cam the 121st, sleeve 122 and the structure rotating bar 123 are further described. Fig. 7 is the assembling figure of these parts, and Fig. 8 is its exploded view.
Fixing cam 120 is formed as slightly positive square, and the axial outside of connecting rod 80 has cam face (with movable cam 121 faces abutting).Movable cam 121 is formed as having the slightly discoideus of circular outer peripheral face, has cam face in inner side. Fixing cam 120 and movable cam 121 have the cam face of the mountain portion in circumferentially staggered configuration and valley, movable cam 121 Rotate relative to fixing cam 120, if mountain portion each other repeats, then fix cam 120 and be pressed into upper post along connecting rod 80 41 sides (inner side).On the other hand, if movable cam 121 engages with mountain portion each other and the valley of fixing cam 120, then fix Cam 120, along connecting rod 80, is back to outside.
Movable cam 121 has for example prominent in fixing cam 120 side rotation specified part 121a, if predetermined angular rotation Turn, then rotate specified part 121a and stop the block 120a of fixing cam 120, can be at the scope limiting rotation angle of regulation.By This, movable cam 121 is relatively fixed cam 120, the position overlapping with mountain portion in mountain portion and the mountain portion position overlapping with valley it Between rotate.
In addition, the surface of rotation bar 123 side of movable cam 121 is provided with the protuberance 121b of such as square shape.Rotate bar 123 are formed as the elongated shape that driver is easy to keep, and have discoideus portion 123a in front end.Discoideus portion 123a is centrally formed There is the hole 123b of square shape.The protuberance 121b of movable cam 121 be embedded with rotate bar 123 hole 123b, rotate bar 123 with can Moving cam 121 unitary rotation.
Sleeve 122 is formed as slightly ring-type.Sleeve 122 as shown in Figure 6, has ring-type recess in movable cam 121 side 122a, leaves movable cam 121 in recess 122a sliding freely.The outer peripheral face of movable cam 121 and the recess of sleeve 122 The inner peripheral surface of 122a becomes sliding surface, at the lubricating grease A that sliding surface is coated with.Lubricating grease A, uses the such as kinetic viscosity to be 2000mm2The lubricating grease of/more than S, it is preferred to use the little lubricating grease of kinetic viscosity temperature change.Finally, kinetic viscosity can also be utilized For 2000mm2The lubricating grease A of/below S.In addition, the size of the no matter temperature change of kinetic viscosity, may be by various Lubricating grease is as lubricating grease A.
Fixed in direction of rotation in addition, sleeve 122 is relatively fixed cam 120, be locked in fixing cam 120 with at axle To moving freely.
As Figure 6-Figure 8, sleeve 122 has and the discoideus portion 123a rotating bar 123 on the surface rotating bar 123 side The holding section 122b of engaging.Holding section 122b is that arcuation highlights from the peripheral part of sleeve 122 towards rotating bar 123 side, in it Side as shown in Figure 6, has arc-shaped groove 122c.Described arc-shaped groove 122c is rotatably embedded with the plectane rotating bar 123 Shape portion 123a.Gap F between described groove 122c, holding section 122b, discoideus portion 123a is turned into sliding part, described groove 122c It is coated with lubricating grease A.It is same as being coated with the recessed of above-mentioned sleeve 122 additionally, the lubricating grease A being coated in described groove 122c can utilize The lubricating grease A of the inner peripheral surface (i.e. sliding surface) of portion 122a.Certainly, it is coated in the lubricating grease A of groove 122c to utilize and be different from It is coated on the lubricating grease A of the sliding surface of recess 122a.
By packing ring 124 and nut 125, rotate bar 123 and be fastened onto sleeve 122 and movable cam 121.
Then the action to the obliquity of the steering wheel H of above-mentioned composition and the guiding mechanism of telescopic location illustrates. Make rotation bar 123 rotate fixing (locking) side (such as top), then movable cam 121 is relatively fixed cam 120 and rotates, each other The mountain portion of cam face and mountain portion between overlapping, fixing cam 120 is mobile in upper post 41 side (inner side) along connecting rod 80.If In fixing cam 120 medial movement, then as shown in Figure 5A, fix cam 120 inclination friction plate 101 grade is pressed in inner side, The side plate 61 of bracket 50 deforms at inner elastic.
If in addition, fixing cam 120 is in medial movement, then connecting rod 80 is stretched in rotation bar 123 side, pressing plate 103 Mobile in upper post 41 side (inner side).Thus, as shown in Figure 5 B, inclination friction plate 101 grade is pressed by pressing plate 103 to inner side Pressure, the side plate 60 of bracket 50 is in elastic deformation.
Its result, the side plate of upper post 41 secure grip bracket 50 both sides the 60th, 61, the position of steering wheel H is fixed.
On the other hand, if making rotation bar 123 move to fixing releasing (unblock) side (such as lower section), then movable cam 121 are relatively fixed cam 120 rotates, and the mountain portion of cam face each other is overlapping with valley, by the active force of helical spring 91, Fixing cam 120 moves to rotating bar 123 side (outside), if fixing cam 120 moves to outside, is pressed into fixing cam The inclination friction plate 101 etc. of 120 is back to the home position in outside, and the side plate 61 at the bracket 50 of inner elastic deformation also returns It is back to home position.
In addition, if fixing cam 120 moves to outside, then connecting rod 80 moves to the opposition side rotating bar 123.Thus, The pressing plate 103 of pressing inclination friction plate 101 grade is back to the home position in outside, the side of the bracket 50 of inner elastic deformation Plate 60 also returns to home position.
Its result, upper post 41 can from the side plate of bracket 50 the 60th, 61 gripping become release and can move.
Upper post 41 is in the state of gripping from the gripping of holding tray 50 to releasing, if be applied with down to steering wheel H The power in direction, then upper post 41 along bracket 50 side plate the 60th, 61 elongated hole the 62nd, 63 move up and down, thus, it is possible to adjustment direction dish The obliquity of H.
If in addition, to steering wheel H apply fore-and-aft direction power, then upper post 41 along upper post 41 upper board the 70th, The 72nd, the elongated hole of 71 73 moves forward and backward, thus, it is possible to the telescopic location of adjustment direction dish H.
According to present embodiment, when making rotation bar 123 rotate in the position for adjustment direction dish H, movable cam 121 Relative sleeve 122 slides, the sliding surface coating lubricating grease A between its movable cam 121 and sleeve 122.Itself as a result, it is possible to letter The shake producing during single and fully mitigation adjustment direction dish H position and its shake sound.Furthermore it is possible to substantially ensure that rotation bar The operability of 123.
In addition, form arc-shaped groove 122c at sleeve 122, embed the discoideus portion 123a rotating bar 123 at its groove 122c Outer peripheral portion and form sliding part, its sliding part coat lubricating grease A.Thus, it is possible to reduce shake and its shake further Sound.Operate fiercely in addition, rotate bar 123 during such as latch-release, but owing to lubricating grease A plays damper effect, thus can Rotate the acceleration of bar 123 with suppression.Thus, rotate bar 123 to clash driver, be possible to prevent to rotate the activity generation of bar 123 Sound.
In the above-described embodiment, as shown in FIG. 9 and 10, discoideus intervention parts 140 are between rotation bar 123 and set Between cylinder 122.In this case, that intervenes parts 140 is centrally formed hole 140a, and described hole 140a is embedded with movable cam 121 Protuberance 121b.In addition, intervention parts 140 are embedded in the arc-shaped groove 122c of sleeve 122, lubricating grease A is between its groove 122c And between intervention parts 140.At this point it is possible to the shake producing during simple and fully reduction adjustment direction dish H position is shaken with it Dynamic sound.Furthermore it is possible to guarantee to rotate the operability of bar 123.
In the above embodiment, the relative movable cam 121 of sleeve 122 is freely rotatable and the axle that is fixed on connecting rod 80 To, it is relatively fixed cam 120, axially movable and be fixed to direction of rotation, sleeve 122 is relatively fixed cam 120 and fixes In the axial of connecting rod 80 and direction of rotation, it is also possible to move in axial and direction of rotation relative to movable cam 121.
In this case, for example, shown in Figure 11 and Figure 12, sleeve 122 has and is relatively fixed cam 120 in such as its side For the fixing lid 122d in direction of rotation and axial restraint.In addition, sleeve 122 have movable cam 121 outer peripheral face and with The inner peripheral surface 122e of diameter, movable cam 121 can slide in axial and direction of rotation.Between sleeve 122 and movable cam 121 Sliding surface be coated with lubricating grease A.In this case, if making rotation bar 123 rotate, then movable cam 121 rotates, with this phase Right, fixing cam 120 forms as one with sleeve 122, movement to connecting rod 80 axial.At this point it is possible to it is simple and fully mitigate The shake producing during the position of adjustment direction dish H and its shake sound.Furthermore it is possible to substantially ensure that the operability rotating bar 123.Separately Outward, in this case, the relative movable cam 121 of sleeve 122 slides axially.Its sliding surface coats lubricating grease A, can obtain Relatively rotate the effect of the damper of bar 123.
Further, in said embodiment, as shown in FIG. 13 and 14, sleeve 122 is integrally formed at fixing cam 120。
Additionally, in embodiment of above, sleeve 122 slides between movable cam 121, between fixing cam 120 Sliding, its sliding surface is coated with lubricating grease.In addition, in this case, relative movable cam 121 company of being fixed to of sleeve 122 Axial and the direction of rotation of bar 80, is relatively fixed cam 120 and also can move in axial and direction of rotation.Further, now, overlap Cylinder 122 is integrally formed at movable cam 121.
It it follows that slide sleeve 122 between fixing cam 120 and is coated with the embodiment of lubricating grease A at sliding surface Illustrate.
Figure 15 represents that sleeve 122 is relatively fixed the assembled state of cam peripheries construction when cam 120 slides, and Figure 16 represents Its cam peripheries construction exploded view, Figure 17 represent cam peripheries construction be attached to transfer 1.
For example shown in Figure 16, carry out according to the order rotating bar the 123rd, movable cam the 121st, sleeve 122 and fixing cam 120 Configuration.
Sleeve 122 is formed as external diameter and is more than the ring-type of movable cam 121, and movable cam 121 leaves inner circumferential surface in.
Sleeve 122 has a pair lug boss 150 at rotation bar 123 side surface.As shown in figure 15, lug boss 150 is assembling When from rotating bar 123 sandwich, rotate against that direction is fixing rotates bar 123.Thus, if making rotation bar 123 rotate, then overlap Cylinder 122 also synchronous axial system.Movable cam 121 rotates together with rotating bar 123 at embedded rotation bar 123, therefore rotates bar the 123rd, Movable cam 121 and sleeve 122 are fixed each other in a rotational direction, rotate integratedly.Additionally, rotate bar 123 and movably convex Wheel 121 does not has relative sleeve 122 axially being fixed, and therefore can move axially.
Sleeve 122 has multiple claw 151 on the surface of fixing cam 120 side.As shown in figure 17, the inner side of claw 151 It is formed groove 151a.
As shown in figure 15, fix cam 120 and for example have discoid, be formed with the claw being embedded with sleeve 122 at periphery The ring-type bar shaped jut 160 of 151.Described bar shaped jut 160 may be integrally formed at fixing cam 120, it is also possible to point Not separately formed.As shown in figure 17, the groove 151a of claw 151 is embedded in bar shaped jut 160 in a rotational direction slidably. Therefore, sleeve 122 be relatively fixed cam 120 direction of rotation may move, axially fixed.In addition, the claw of sleeve 122 The inner peripheral surface of 151 is turned into sliding surface with the bar shaped jut 160 of fixing cam 120, and its sliding surface is coated with lubricating grease A.
According to the present embodiment, when making rotation bar 123 rotate in the position for adjustment direction dish H, movable cam 121 with Sleeve 122 synchronizes respectively and rotates, and sleeve 122 is relatively fixed cam 120 and slides.Between fixing cam 120 and sleeve 122 Sliding surface coats lubricating grease A, produces the shake causing and its shake sound when therefore, it can the position mitigating adjustment direction dish H.Separately Outward, the operability of rotation bar 123 is substantially ensured that.
Above, illustrating the preferred embodiment of the present invention referring to the drawings, the present invention is not limited to related embodiment. It should be appreciated by those skilled in the art that and be clearly conceivable that various variation in the range of described in claim, these certainly should Belong to the scope of the technology of the present invention.
For example, the mechanism structure in embodiment of above is obliquity and the telescopic location of adjustment direction dish H, but simultaneously Being not limited to this, this structure also can be suitable for other structures known with telescopic construction.For example, if rotating bar 123 and being used for Relative vehicle main body is fixed and the fixing post that releases, then rotate bar 123 and can have other structures.Cam the 120th, 121 structure be The axially-movable mode that the rotation of rotation bar 123 rotates with it changes and coupled columns is fixed and fixing releasing, then cam is the 120th, 121 can also have other structures.If sleeve 122 keeps cam the 120th, 121, rotating when bar 123 rotates at cam the 120th, Slide between 121, then sleeve 122 can have other structures.Can also have other other structures such as post 20 and bracket 50.Separately Outward, transfer 1 is possible not only to adjust obliquity and telescopic location, can also adjust any one party.In addition, the present invention The position adjusting the steering wheel beyond obliquity and telescopic location can also be useful in.
Claims (according to the modification of treaty the 19th article)
1. a transfer, relative vehicle main body moves the post for keeping steering wheel shaft, with the position of adjustable steering wheel Put, it is characterised in that include:
Rotate bar, for being fixed and releasing described post relative vehicle main body fixing;
Cam, the rotation of described rotation bar changes according to the axially-movable that it rotates so that described post is fixed and to be released Fixing;
Sleeve, keeps described cam, when described rotation bar rotates and slides between described cam, wherein,
Sliding surface between described sleeve and described cam is coated with lubricating grease;
Described cam has and the described rotation movable cam that jointly rotates of bar and according to being rotated in of described movable cam The fixing cam of axial rotation;
Described sleeve slides between described movable cam, and its sliding surface is coated with described lubricating grease;
The relatively described movable cam of described sleeve freely rotatable and at axial restraint, relatively described fixing cam axially movable And fix described transfer in a rotational direction.
2. transfer according to claim 1, it is characterised in that described sleeve is provided with and described rotation bar or Jie The sliding part that intervention parts between described rotation bar and described sleeve slide, described sliding part is coated with lubricating grease.
3. transfer according to claim 2, it is characterised in that described rotation bar or described intervention parts have plectane Shape portion,
Described sliding part has the arc-shaped groove in embedded described discoideus portion.
4. a transfer, relative vehicle main body moves the post for keeping steering wheel shaft, with the position of adjustable steering wheel Put, it is characterised in that include:
Rotate bar, for being fixed and releasing described post relative vehicle main body fixing;
Cam, the rotation of described rotation bar changes according to the axially-movable that it rotates so that described post is fixed and to be released Fixing;
Sleeve, keeps described cam, rotates when bar rotates described and slide between described cam, wherein
Sliding surface between described sleeve and described cam is coated with lubricating grease;
Described cam has and the described rotation movable cam that jointly rotates of bar and according to being rotated in of described movable cam The fixing cam of axial rotation;
Described sleeve slides between described movable cam, and its sliding surface is coated with described lubricating grease;
The relatively described fixing cam of described sleeve is fixed in axial and direction of rotation, and relatively described movable cam is in axial and rotation Turn direction may move.
5. transfer according to claim 4, it is characterised in that
Described sleeve and described fixing cam integrated setting.
6. a transfer, relative vehicle main body moves the post for keeping steering wheel shaft, with the position of adjustment direction dish, It is characterized in that including:
Rotate bar, for being fixed and releasing described post relative vehicle main body fixing;
Cam, the rotation of described rotation bar changes according to the axially-movable that it rotates so that described post is fixed and to be released Fixing;
Sleeve, keeps described cam and rotates when bar rotates described and slide between described cam, wherein
Sliding surface between described sleeve and described cam is coated with lubricating grease;
Described cam has and the described rotation movable cam that jointly rotates of bar and according to being rotated in of described movable cam The fixing cam of axial rotation;
Described sleeve slides between described fixing cam and is coated with described lubricating grease at its sliding surface;
The relatively described movable cam of described sleeve is fixed and axially movable in direction of rotation, and relatively described fixing cam exists Direction of rotation is removable and is axially being fixed.
7. transfer according to claim 6, it is characterised in that
Described sleeve has in the projection rotating bar described in sandwich to be fixed described rotation bar in a rotational direction Portion.
8. the transfer according to any one of claim 6-7, it is characterised in that
Described fixing cam has ring-type bar shaped jut in outer peripheral edge,
Described sleeve has embedded described bar shaped jut relatively described fixing cam at direction of rotation slidably claw.

Claims (11)

1. a transfer, relative vehicle main body moves the post for keeping steering wheel shaft, with the position of adjustable steering wheel Put, it is characterised in that include:
Rotate bar, for being fixed and releasing described post relative vehicle main body fixing;
Cam, the rotation of described rotation bar changes according to the axially-movable that it rotates so that described post is fixed and to be released Fixing;
Sleeve, keeps described cam, when described rotation bar rotates and slides between described cam, wherein,
Sliding surface between described sleeve and described cam is coated with lubricating grease.
2. transfer according to claim 1, it is characterised in that described cam have with described rotation bar jointly rotate Movable cam and according to the fixing cam being rotated in described axial rotation of described movable cam,
Slide between described sleeve and described movable cam, and be coated with described lubricating grease at described sliding surface.
3. transfer according to claim 2, it is characterised in that the relatively described movable cam of described sleeve is freely rotatable And axially fixed, relatively described fixing cam is axially movable and fixed in a rotational direction.
4. transfer according to claim 3, it is characterised in that described sleeve is provided with and described rotation bar or Jie The sliding part that intervention parts between described rotation bar and described sleeve slide, described sliding part is coated with lubricating grease.
5. transfer according to claim 4, it is characterised in that described rotation bar or described intervention parts have plectane Shape portion,
Described sliding part has the arc-shaped groove in embedded described discoideus portion.
6. transfer according to claim 2, it is characterised in that
The relatively described fixing cam of described sleeve is fixed in axial and direction of rotation, and relatively described movable cam is in axial and rotation Turn direction may move.
7. transfer according to claim 6, it is characterised in that
Described sleeve and described fixing cam integrated setting.
8. transfer according to claim 1, it is characterised in that
Described cam has and the described rotation movable cam that jointly rotates of bar and according to being rotated in of described movable cam The fixing cam of axial rotation;
Described sleeve slides between described fixing cam and is coated with described lubricating grease at described sliding surface.
9. transfer according to claim 8, it is characterised in that
The relatively described movable cam of described sleeve is fixed in direction of rotation and is existed at fixing cam axially movable, relatively described Direction of rotation is removable and is axially being fixed.
10. transfer according to claim 8 or claim 9, it is characterised in that
Described sleeve has in the projection rotating bar described in sandwich to be fixed described rotation bar in a rotational direction Portion.
11. transfers described in-10 any one according to Claim 8, it is characterised in that
Described fixing cam has ring-type bar shaped jut in outer peripheral edge,
Described sleeve has embedded described bar shaped jut relatively described fixing cam at direction of rotation slidably claw.
CN201580011942.2A 2014-02-05 2015-01-27 Transfer Active CN106103239B (en)

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JP2014-020646 2014-02-05
JP2014020646 2014-02-05
JP2014082335 2014-04-11
JP2014-082335 2014-04-11
PCT/JP2015/052232 WO2015119000A1 (en) 2014-02-05 2015-01-27 Steering apparatus

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CN108602524B (en) * 2016-02-04 2021-02-02 日本精工株式会社 Steering device
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CN106103239B (en) 2017-10-13
EP3075628A1 (en) 2016-10-05
EP3075628B1 (en) 2019-10-23
JP5958887B2 (en) 2016-08-02
EP3075628A4 (en) 2017-09-13
JPWO2015119000A1 (en) 2017-03-23
WO2015119000A1 (en) 2015-08-13
US9604662B2 (en) 2017-03-28
US20170001657A1 (en) 2017-01-05

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